Fixmart Data Sheet V01
Product Model Fine Thread Drywall Screw (Black Phosphate) Product Details Designed for
Fixing plasterboard to metal stud up to 1.2mm
Head style
Bugle
Drive bit
Phillips 2
Drill point
Super sharp point
Thread form
Twin thread, fine
Coating
Black phosphate
Shank material
Carbon steel
Material grade
AISI C1022
Technical data supplied by the manufacturer Coarse thread phosphate coated drywall range Product Code
Size
Effective thread length
Recommended drill speed
Fixture thickness
DWSP25
3.5 x 25.0mm
Fully threaded
4000 – 6000RPM
15.0mm
DWSP32
3.5 x 32.0mm
Fully threaded
4000 – 6000RPM
22.0mm
DWSP38
3.5 x 38.0mm
Fully threaded
4000 – 6000RPM
28.0mm
DWSP42
3.5 x 42.0mm
Fully threaded
4000 – 6000RPM
32.0mm
DWSP50
3.5 x 50.0mm
Fully threaded
4000 – 6000RPM
40.0mm
DWSP65
4.2 x 65.0mm
50.0mm
4000 – 6000RPM
55.0mm
DWSP75
4.2 x 75.0mm
50.0mm
4000 – 6000RPM
65.0mm
DWSP100
4.8 x 100.0mm
65.0mm
4000 – 6000RPM
90.0mm
Technical Data Hardness Rating (Vickers scale)
Ultimate mechanical performance
Diameter
Surface Hardness
Core Hardness
Diameter
Tensile Strength
Shear Strength
3.5mm
540.0HV
480.0HV
3.5mm
6.5kN
9.0kN
4.2mm
620.0HV
450.0HV
4.2mm
8.1kN
10.1kN
4.8mm
590.0HV
460.0HV
4.8mm
12.3kN
14.0kN
Notes: The results expressed in the datasheet are taken as mean loads from a range of empirical tests and are ultimate unfactored loads. Each specifier or end user should make his/ her own decision on what safety factors to use relevant to their design application (such as BS 5950, EN 1991, etc). Errors and Omissions Excepted.
Solutions, Service and Supplies to the Trade
Springhead Enterprise Park, Springhead Road, Northfleet, Kent DA11 8HJ T 01322 274226 F 01322 278178 E
[email protected] www.fixmart.co.uk
Fixmart Data Sheet V01
Technical Data continued... Ultimate pull out values Steel Thickness Diameter
Point
0.6mm
1.0mm
1.2mm
3.5mm
Super sharp point
0.8kN
1.6kN
2.0kN
4.2mm
Super sharp point
0.8kN
2.1kN
2.4kN
4.8mm
Super sharp point
1.0kN
2.1kN
2.6kN
All test results were derived from empirical testing performed by ETAS (Evolution Testing & Analytical Services), a UKAS (United Kingdom Accreditation Service) accredited testing laboratory (Accreditation No. 7485). The following tests were performed to the following standards.
Testing Procedures Test/ Parameter
Standard/ Method/ Procedure
Ultimate Tensile
ISO 6892-1: 2009 “Metallic materials – tensile testing – Part 1: Method of test at room temperature”.
Ultimate Shear
MIL-STD-1312-13 “Military Standard: Fastener test method (Method 13) Double shear test”
Pull Out (Withdrawal Force)
EN 14566: 2009 “Mechanical fasteners for gypsum plasterboard systems. Definitions, requirements and test methods”.
Pull Over
EN 14592: 2008 “Timber structures. Dowel type fasteners. Requirements”.
Hardness
ISO 650 7-1: 2005 “Metallic materials – Vickers hardness test – Part 1: Test method”.
Corrosion Resistance
EN ISO 9227: 2012 “Corrosion tests in artificial atmospheres. Salt spray tests”.
Drilling Time Test
EN 14566: 2009 “Mechanical fasteners for gypsum plasterboard systems. Definitions, requirements and test methods”.
Remark: This technical data sheet replaces all previous versions. The technical data contained herein is given in good faith and we cannot be held liable for any errors, inaccuracies, omissions or editorial failings. The information detailed in this technical data sheet is given by way of indication and is not exhaustive, users should contact either the seller or the manufacturer of the product for additional technical information concerning its use, if they think the information in their possession needs to be clarified in any way.
Solutions, Service and Supplies to the Trade
Springhead Enterprise Park, Springhead Road, Northfleet, Kent DA11 8HJ T 01322 274226 F 01322 278178 E
[email protected] www.fixmart.co.uk
